Core 2 Quad Q9400s vs Xeon E3-1246 v3

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Primary details

Comparing Xeon E3-1246 v3 and Core 2 Quad Q9400s processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1306not rated
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
Power efficiency5.15no data
Architecture codenameno dataYorkfield (2007−2009)
Release date1 April 2014 (10 years ago)18 January 2009 (15 years ago)

Detailed specifications

Xeon E3-1246 v3 and Core 2 Quad Q9400s basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads84
Base clock speed3.5 GHz2.66 GHz
Boost clock speed3.9 GHz0.67 GHz
Bus rate5 GT/s1333 MHz
L1 cacheno data64 KB (per core)
L2 cacheno data6 MB (shared)
L3 cache8 MB Intel® Smart Cache0 KB
Chip lithography22 nm45 nm
Die sizeno data2x 82 mm2
Maximum case temperature (TCase)no data76 °C
Number of transistorsno data456 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Xeon E3-1246 v3 and Core 2 Quad Q9400s compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCLGA1150LGA775
Power consumption (TDP)84 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1246 v3 and Core 2 Quad Q9400s. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI+-
Enhanced SpeedStep (EIST)++
My WiFi-no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP+-
Demand Based Switchingno data-
FDI+no data
Fast Memory Access+no data
FSB parityno data-

Security technologies

Xeon E3-1246 v3 and Core 2 Quad Q9400s technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
Identity Protection+-
OS Guard+no data
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1246 v3 and Core 2 Quad Q9400s are enumerated here.

VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1246 v3 and Core 2 Quad Q9400s. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3L-1333, DDR3L-1600DDR1, DDR2, DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)
Max video memory1.7 GBno data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
Execution Units20no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1246 v3 and Core 2 Quad Q9400s integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
VGA+no data

Graphics image quality

Maximum display resolutions supported by Xeon E3-1246 v3 and Core 2 Quad Q9400s integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.43840x2160@60Hzno data
Max resolution over DisplayPort3840x2160@60Hzno data
Max resolution over VGA2880x1800@60Hzno data

Graphics API support

APIs supported by Xeon E3-1246 v3 and Core 2 Quad Q9400s integrated GPUs, sometimes API versions are included.

DirectX11.2no data
OpenGL4.3no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1246 v3 and Core 2 Quad Q9400s.

PCIe version3.02.0
PCI Express lanes16no data

Pros & cons summary


Recency 1 April 2014 18 January 2009
Threads 8 4
Chip lithography 22 nm 45 nm
Power consumption (TDP) 84 Watt 65 Watt

Xeon E3-1246 v3 has an age advantage of 5 years, 100% more threads, and a 104.5% more advanced lithography process.

Core 2 Quad Q9400s, on the other hand, has 29.2% lower power consumption.

We couldn't decide between Xeon E3-1246 v3 and Core 2 Quad Q9400s. We've got no test results to judge.

Be aware that Xeon E3-1246 v3 is a server/workstation processor while Core 2 Quad Q9400s is a desktop one.


Should you still have questions on choice between Xeon E3-1246 v3 and Core 2 Quad Q9400s, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1246 v3
Xeon E3-1246 v3
Intel Core 2 Quad Q9400s
Core 2 Quad Q9400s

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